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Development and Motion Control of the All-Direction Steering-Type Mobile Robot (1st Report: Analyses and Experiments on Postural Stability and Ascent/Descent on a Slope)
Atsushi Koshiyama* and Kazuo Yamafuji**
* Sony Corporation, 6-7-35, Kita-Shinagawa, Shinagawa, Tokyo 141, Japan
** University of Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182, Japan
Received:December 4, 1992Accepted:December 20, 1992Published:April 20, 1993
Keywords:Robotics, Mobile Robot, Spherical Monowheel, Controlling Arch, Arched Body, Mechatronics, Angle-Compensation Method
Abstract
This paper describes the analyses and experiments on postural stability control and ascent/descent on a slope of a spherical shaped monocycle-type robot. Applying the postural stability control methods proposed here, we achieved stability control of the robot not only on flat planes but also on rough grounds even when unexpected disturbances were added. Also, a detection method for an unknown inclination angle of a slop was established by using an analytical equation derived from the robot's mechanisms and an angle compensation method. By virtue of the unknown angle detection method, the robot's ascent/descent of a slope with its arched body remaining upright was achieved. Furthermore, when we put a glass of water on the top of the robot's arched body, the robot can run without spilling any water from the glass. It has been confirmed by the experiments that the all-direction steering-type robot developed in this study has great capability as well as versatility for home and personal use.
Cite this article as:A. Koshiyama and K. Yamafuji, “Development and Motion Control of the All-Direction Steering-Type Mobile Robot (1st Report: Analyses and Experiments on Postural Stability and Ascent/Descent on a Slope),” J. Robot. Mechatron., Vol.5 No.2, pp. 141-149, 1993.Data files:
